05_50_13.pdf

WATERVLI ET WAREHOUSE WATERVLIETWHSE

AMENDMENT 1

SECTI ON 05 50 13

MI SCELLANEOUS METAL FABRI CATI ONS

05/10

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

ALUMI NUM ASSOCI ATI ON ( AA)

AA DAF45 ( 2003; Reaf f i r med 2009) Desi gnat i on Syst em f or Al umi num Fi ni shes

AMERI CAN SOCI ETY OF SAFETY ENGI NEERS ( ASSE/ SAFE)

ASSE/ SAFE A10. 3 ( 2013) Oper at i ons - Saf et y Requi r ement s f or Powder Act uat ed Fast eni ng Syst ems

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2015; Er r at a 1 2015; Er r at a 2 2016) St r uct ur al Wel di ng Code - St eel

ASME I NTERNATI ONAL ( ASME)

ASME B18. 2. 1 ( 2012; Er r at a 2013) Squar e and Hex Bol t s and Scr ews ( I nch Ser i es)

ASME B18. 2. 2 ( 2010) Nut s f or Gener al Appl i cat i ons:

Machi ne Scr ew Nut s, Hex, Squar e, Hex Fl ange, and Coupl i ng Nut s ( I nch Ser i es)

ASME B18. 21. 1 ( 2009; R 2016) Washer s: Hel i cal Spr i ng- Lock, Toot h Lock, and Pl ai n Washer s ( I nch Ser i es)

ASME B18. 6. 2 ( 1998; R 2010) Sl ot t ed Head Cap Scr ews, Squar e Head Set Scr ews, and Sl ot t ed Headl ess Set Scr ews: I nch Ser i es

ASME B18. 6. 3 ( 2013) Machi ne Scr ews, Tappi ng Scr ews, and Machi ne Dr i ve Scr ews ( I nch Ser i es)

ASTM I NTERNATI ONAL ( ASTM)

ASTM A123/ A123M ( 2017) St andar d Speci f i cat i on f or Zi nc ( Hot - Di p Gal vani zed) Coat i ngs on I r on and St eel Pr oduct s

ASTM A153/ A153M ( 2016) St andar d Speci f i cat i on f or Zi nc Coat i ng ( Hot - Di p) on I r on and St eel Hardware

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07/ 27/ 18 9: 59 AM

ASTM A307 ( 2014; E 2017) St andar d Speci f i cat i on f or Car bon St eel Bol t s, St uds, and Thr eaded Rod 60 000 PSI Tensi l e St r engt h

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A47/ A47M ( 1999; R 2014) St andar d Speci f i cat i on f or Fer r i t i c Mal l eabl e I r on Cast i ngs

ASTM A48/ A48M ( 2003; R 2012) St andar d Speci f i cat i on f or Gr ay I r on Cast i ngs

ASTM A500/ A500M ( 2013) St andar d Speci f i cat i on f or Col d- For med Wel ded and Seaml ess Car bon St eel St r uct ur al Tubi ng i n Rounds and Shapes

ASTM A53/ A53M ( 2012) St andar d Speci f i cat i on f or Pi pe, St eel , Bl ack and Hot - Di pped, Zi nc- Coat ed, Wel ded and Seaml ess

ASTM A653/ A653M ( 2017) St andar d Speci f i cat i on f or St eel Sheet , Zi nc- Coat ed ( Gal vani zed) or Zi nc- I r on Al l oy- Coat ed ( Gal vanneal ed) by t he Hot - Di p Pr ocess

ASTM A780/ A780M ( 2009; R 2015) St andar d Pr act i ce f or Repai r of Damaged and Uncoat ed Ar eas of Hot - Di p Gal vani zed Coat i ngs

ASTM A786/ A786M ( 2015a) St andar d Speci f i cat i on f or Hot - Rol l ed Car bon, Low- Al l oy, Hi gh- St r engt h Low- Al l oy, and Al l oy St eel Fl oor Pl at es

ASTM A924/ A924M ( 2017a) St andar d Speci f i cat i on f or Gener al Requi r ement s f or St eel Sheet , Met al l i c- Coat ed by t he Hot - Di p Pr ocess

ASTM B108/ B108M ( 2015) St andar d Speci f i cat i on f or Al umi num- Al l oy Per manent Mol d Cast i ngs

ASTM B209 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Sheet and Pl at e

ASTM B221 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Ext r uded Bar s, Rods, Wi r e, Pr of i l es, and Tubes

ASTM B26/ B26M ( 2014; E 2015) St andar d Speci f i cat i on f or Al umi num- Al l oy Sand Cast i ngs

ASTM C1513 ( 2013) St andar d Speci f i cat i on f or St eel Tappi ng Scr ews f or Col d- For med St eel Fr ami ng Connect i ons

ASTM D1187/ D1187M ( 1997; E 2011; R 2011) Asphal t - Base Emul si ons f or Use as Pr ot ect i ve Coat i ngs

SECTI ON 05 50 13 Page 2 f or Met al

ASTM E488/ E488M ( 2015) St andar d Test Met hods f or St r engt h of Anchor s i n Concr et e and Masonr y El ement s

MASTER PAI NTERS I NSTI TUTE ( MPI )

MPI 79 ( Oct 2009) Al kyd Ant i - Cor r osi ve Met al Primer

NATI ONAL ASSOCI ATI ON OF ARCHI TECTURAL METAL MANUFACTURERS ( NAAMM)

NAAMM MBG 531 ( 2009) Met al Bar Gr at i ng Manual

NAAMM MBG 532 ( 2009) Heavy Dut y Met al Bar Gr at i ng Manual

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC SP 3 ( 1982; E 2004) Power Tool Cl eani ng

SSPC SP 6/ NACE No. 3 ( 2007) Commer ci al Bl ast Cl eani ng

1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment .

Submi t t al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y Not ebook, i n conf or mance t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG. Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

Access Door s and Panel s, I nst al l at i on Dr awi ngs; G, RO

Cover Pl at es and Fr ames, I nst al l at i on Dr awi ngs; G, RO

Expansi on Joi nt Cover s, I nst al l at i on Dr awi ngs; G, RO

Wheel Guar ds, I nst al l at i on Dr awi ngs; G, RO

Embedded Angl es and Pl at es, I nst al l at i on Dr awi ngs; G, RO

SD- 03 Pr oduct Dat a

Access Door s and Panel s

Cover Pl at es and Fr ames

Cont r ol - Joi nt Cover s

Expansi on Joi nt Cover s

Fl oor Gr at i ngs and Roof Wal kways

Wheel Guar ds

SD- 04 Sampl es

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Expansi on Joi nt Cover s

Cont r ol - Joi nt Cover s

Pr ovi de f ul l s i ze sampl es , t aken f r om manuf act ur er ' s st ock, and be compl et e as r equi r ed f or i nst al l at i on i n t he st r uct ur e.

Sampl es may be i nst al l ed i n t he wor k, pr ovi ded each sampl e i s c l ear l y i dent i f i ed and i t s l ocat i on r ecor ded.

1. 3 QUALI FI CATI ON OF WELDERS

Qual i f y wel der s i n accor dance wi t h AWS D1. 1/ D1. 1M. Use pr ocedur es, mat er i al s, and equi pment of t he t ype r equi r ed f or t he wor k.

1. 4 DELI VERY, STORAGE, AND PROTECTI ON

Pr ot ect f r om cor r osi on, def or mat i on, and ot her t ypes of damage. St or e i t ems i n an encl osed ar ea f r ee f r om cont act wi t h soi l and weat her . Remove and r epl ace damaged i t ems wi t h new i t ems.

PART 2 PRODUCTS

2. 1 MATERIALS

2. 1. 1 St r uct ur al Car bon St eel

ASTM A36/ A36M.

2. 1. 2 St r uct ur al Tubi ng

ASTM A500/ A500M.

2. 1. 3 St eel Pi pe

ASTM A53/ A53M, Type E or S, Gr ade B.

2. 1. 4 Fi t t i ngs f or St eel Pi pe

St andar d mal l eabl e i r on f i t t i ngs ASTM A47/ A47M.

2. 1. 5 Gratings

a. Gr ay cast i r on ASTM A48/ A48M, Cl ass 40.

b. Met al pl ank gr at i ng, non- sl i p r equi r ement , al umi num ASTM B209, 6061- T6; st eel ASTM A653/ A653M, G90.

c. Met al bar t ype gr at i ng NAAMM MBG 531 NAAMM MBG 532.

2. 1. 6 Fl oor Pl at es, Pat t er ned

Fl oor pl at e ASTM A786/ A786M. St eel pl at e shal l not be l ess t han 14 gage.

2. 1. 7 Anchor Bol t s

ASTM A307. Wher e exposed, shal l be of t he same mat er i al , col or , and f i ni sh as t he met al t o whi ch appl i ed.

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2. 1. 7. 1 Expansi on Anchor s Sl eeve Anchor s Adhesi ve Anchor s

Provide [ _____] i n. di amet er [ expansi on anchor s] [ s l eeve anchor s] [ adhesi ve anchor s] . Mi ni mum [ concr et e] [ masonr y] embedment shal l be [ _____] i n.

Desi gn val ues l i s t ed shal l be as t est ed accor di ng t o ASTM E488/ E488M.

a. Mi ni mum [ ul t i mat e] [ al l owabl e] pul l out val ue shal l be [ _____] l b.

b. Mi ni mum [ ul t i mat e] [ al l owabl e] shear val ue shal l be [ _____] l b.

2. 1. 7. 2 Lag Scr ews and Bol t s

ASME B18. 2. 1, t ype and gr ade best sui t ed f or t he pur pose.

2. 1. 7. 3 Toggl e Bol t s

ASME B18. 2. 1.

2. 1. 7. 4 Bol t s, Nut s, St uds and Ri vet s

ASME B18. 2. 2 or ASTM A307.

2. 1. 7. 5 Powder Act uat ed Fast ener s

Fol l ow saf et y pr ovi s i ons of ASSE/ SAFE A10. 3.

2. 1. 7. 6 Screws

ASME B18. 2. 1, ASME B18. 6. 2, ASME B18. 6. 3 and ASTM C1513.

2. 1. 7. 7 Washers

Pr ovi de pl ai n washer s t o conf or m t o ASME B18. 21. 1. Pr ovi de bevel ed washer s f or Amer i can St andar d beams and channel s, squar e or r ect angul ar , t aper ed i n t hi ckness, and smoot h. Pr ovi de l ock washer s t o conf or m t o

ASME B18. 21. 1.

2. 1. 8 Al umi num Al l oy Pr oduct s

Conf or m t o ASTM B209 f or sheet pl at e, ASTM B221 f or ext r usi ons and ASTM B26/ B26M or ASTM B108/ B108M f or cast i ngs, as appl i cabl e. Pr ovi de al umi num ext r usi ons at l east 1/ 8 i nch t hi ck and al umi num pl at e or sheet at least 0. 050 i nch t hi ck.

2. 2 FABRI CATI ON FI NI SHES

2. 2. 1 Galvanizing

Hot - di p gal vani ze i t ems speci f i ed t o be zi nc- coat ed, af t er f abr i cat i on wher e pr act i cabl e. Gal vani z i ng: ASTM A123/ A123M, ASTM A153/ A153M, ASTM A653/ A653M or ASTM A924/ A924M, G90, as appl i cabl e.

2. 2. 2 Galvanize

Anchor bol t s, gr at i ng f ast ener s, washer s, and par t s or devi ces necessar y f or pr oper i nst al l at i on, unl ess i ndi cat ed ot her wi se.

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2. 2. 3 Repai r of Zi nc- Coat ed Sur f aces

Repai r damaged sur f aces wi t h gal vani z i ng r epai r met hod and pai nt conf or mi ng t o ASTM A780/ A780M or by appl i cat i on of st i ck or t hi ck past e mat er i al speci f i cal l y desi gned f or r epai r of gal vani z i ng, as appr oved by Cont r act i ng Of f i cer . Cl ean ar eas t o be r epai r ed and r emove sl ag f r om wel ds. Heat sur f aces t o whi ch st i ck or past e mat er i al i s appl i ed, wi t h a t or ch t o a t emper at ur e suf f i c i ent t o mel t t he met al l i cs i n st i ck or past e;

spr ead mol t en mat er i al uni f or ml y over sur f aces t o be coat ed and wi pe of f excess mat er i al .

2. 2. 4 Shop Cl eani ng and Pai nt i ng

2. 2. 4. 1 Sur f ace Pr epar at i on

Bl ast c l ean sur f aces i n accor dance wi t h SSPC SP 6/ NACE No. 3. Sur f aces t hat wi l l be exposed i n spaces above cei l i ng or i n at t i c spaces, cr awl spaces, f ur r ed spaces, and chases may be cl eaned i n accor dance wi t h SSPC SP 3 i n l i eu of bei ng bl ast c l eaned. Wash cl eaned sur f aces whi ch become cont ami nat ed wi t h r ust , di r t , oi l , gr ease, or ot her cont ami nant s wi t h sol vent s unt i l t hor oughl y c l ean. St eel t o be embedded i n concr et e shal l be f r ee of di r t and gr ease. Do not pai nt or gal vani ze bear i ng sur f aces, i ncl udi ng cont act sur f aces wi t hi n s l i p cr i t i cal j oi nt s, but coat wi t h r ust pr event at i ve appl i ed i n t he shop.

2. 2. 4. 2 Pr et r eat ment , Pr i mi ng and Pai nt i ng

Appl y pr et r eat ment , pr i mer , and pai nt i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons.

2. 2. 5 Nonf er r ous Met al Sur f aces

Pr ot ect by pl at i ng, anodi c, or or gani c coat i ngs.

2. 2. 6 Al umi num Sur f aces

2. 2. 6. 1 Sur f ace Condi t i on

Bef or e f i ni shes ar e appl i ed, r emove r ol l mar ks, scr at ches, r ol l ed- i n scr at ches, k i nks, st ai ns, pi t s, or ange peel , di e mar ks, st r uct ur al st r eaks, and ot her def ect s whi ch wi l l af f ect uni f or m appear ance of f i ni shed sur f aces.

2. 2. 6. 2 Al umi num Fi ni shes

Unexposed sheet , pl at e and ext r usi ons may have mi l l f i ni sh as f abr i cat ed.

Sandbl ast cast i ngs' f i ni sh, medi um, AA DAF45. Unl ess ot her wi se speci f i ed, pr ovi de al l ot her al umi num i t ems wi t h a st andar d mi l l f i ni sh. or anodi zed f i ni sh wher e not ed. Pr ovi de a coat i ng t hi ckness not l ess t han t hat speci f i ed f or pr ot ect i ve and decor at i ve t ype f i ni shes f or i t ems used i n i nt er i or l ocat i ons or ar chi t ect ur al Cl ass I t ype f i ni sh f or i t ems used i n ext er i or l ocat i ons i n AA DAF45. Pr ovi de a pol i shed sat i n f i ni sh on i t ems t o be anodi zed.

2. 3 ACCESS DOORS AND PANELS

Pr ovi de f l ush t ype access door s and panel s unl ess ot her wi se i ndi cat ed.

Fabr i cat e f r ames f or access door s of st eel not l i ght er t han 14 gage wi t h wel ded j oi nt s and anchor age f or secur i ng i nt o const r uct i on. Pr ovi de

SECTI ON 05 50 13 Page 6 access door s wi t h a mi ni mum of 14 by 20 i nches and of not l i ght er t han 14 gage st eel , wi t h st i f f ened edges and wel ded at t achment s. Pr ovi de access door s hi nged t o f r ame and wi t h a f l ush- f ace, t ur n- scr ew- oper at ed l at ch.

Pr ovi de exposed met al sur f ace wi t h a baked enamel f i ni sh.

2. 4 CONTROL- JOI NT COVERS

Pr ovi de cont r ol - j oi nt cover s t o be l ocat ed on wal l sur f aces of concr et e, masonr y and t i l e wor k. Pr ovi de pr ot ect i ve coat i ng on t he sur f ace i n cont act wi t h concr et e, masonr y or t i l e.

2. 5 CORNER GUARDS AND SHI ELDS

For j ambs and si l l s of openi ngs and edges of pl at f or ms pr ovi de st eel shapes and pl at es anchor ed i n masonr y or concr et e wi t h wel ded st eel st r aps or end- wel d st ud anchor s. For m cor ner guar ds f or use wi t h gl azed or cer ami c t i l e f i ni sh on wal l s wi t h 0. 0625 i nch t hi ck cor r osi on- r esi st i ng st eel wi t h pol i shed or sat i n f i ni sh, ext end 5 f eet above t he t op of cove base or t o t he t op of t he wai nscot , whi chever i s l ess, and secur el y anchor t o t he suppor t i ng wal l . Cor ner guar ds on ext er i or shal l be gal vani zed.

2. 6 COVER PLATES AND FRAMES

Fabr i cat e cover pl at es of 1/ 4 i nch t hi ck r ol l ed st eel wei ghi ng not mor e than 100 pounds per pl at e wi t h a sel ect ed r ai sed pat t er n nonsl i p t op sur f ace. Pl at e shal l be gal vani zed or shop pai nt ed as not ed. Rei nf or ce t o sust ai n a l i ve l oad of [ _____] pounds per squar e f oot . Fr ames shal l be st r uct ur al st eel shapes and pl at es, wi t h bent st eel bar s or headed anchor s wel ded t o f r ame f or anchor i ng t o concr et e secur el y f ast ened t o t he st r uct ur e as i ndi cat ed. Mi t er and wel d al l cor ner s. But t j oi nt st r ai ght r uns. Al l ow f or expansi on on st r ai ght r uns over 15 f eet . Pr ovi de hol es f or l i f t i ng t ool s. Pr ovi de f l ush dr op handl es f or r emoval f or med f r om 1/ 4 inch r ound st ock wher e i ndi cat ed. Pr ovi de hol es and openi ngs wi t h 1/ 2 i nch cl ear ance f or pi pes and equi pment . Remove shar p edges and bur r s f r om cover pl at es and exposed edges of f r ames. Wel d al l connect i ons and gr i nd t op sur f ace smoot h. Wel d bar st ops ever y s i x i nches. Pr ovi de 1/ 8 i nch cl ear ance at edges and bet ween cover pl at es.

2. 7 EXPANSI ON JOI NT COVERS

Pr ovi de expansi on j oi nt cover s const r uct ed of ext r uded al umi num wi t h anodi zed sat i n al umi num f i ni sh f or wal l s and cei l i ngs and wi t h st andar d mi l l f i ni sh f or f l oor cover s and ext er i or cover s. Fur ni sh pl at es, backup angl es, expansi on f i l l er st r i p and anchor s as i ndi cat ed.

2. 8 EXTRUDED FLOOR MAT FRAMES

Pr ovi de r ecess f r ames f or r ol l - up f l oor mat s of ext r uded 6063- T5 al umi num, i n s i zes shown. Mi t er cor ner s t o ensur e accur at e f i t t i ng. Det er mi ne dept h of r ecess by t he mat t hi ckness. Anchor f r ames i n concr et e wi t h anchor pi ns or bol t s. Pr ovi de r ol l - up mat s of al umi num const r uct i on wi t h car pet or ser r at ed al umi num sur f ace as not ed. Pr ovi de r ol l - up mat s f or use i n l evel sur f ace ar ea. Show const r uct i on det ai l s of r ecessed ar eas on t he dr awi ngs.

2. 9 FLOOR GRATI NGS AND ROOF WALKWAYS

Desi gn st eel ] gr at i ng i n accor dance wi t h NAAMM MBG 531[ NAAMM MBG 532] f or bar t ype gr at i ng or manuf act ur er ' s char t s f or pl ank gr at i ng. Gal vani ze st eel f l oor gr at i ngs.

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a. Desi gn f l oor gr at i ngs t o suppor t a l i ve l oad of [ _____] pounds per squar e f oot f or t he spans i ndi cat ed, wi t h maxi mum def l ect i on of L/ 240.

b. NAAMM MBG 531NAAMM MBG 532, band edges of gr at i ng wi t h bar s of t he same si ze as t he bear i ng bar s. Wel d bandi ng i n accor dance wi t h t he manuf act ur er ' s st andar d f or t r i m unl ess ot her wi se i ndi cat ed. Desi gn t ops of bear i ng bar s, cr oss or i nt er medi at e bar s t o be i n t he same pl ane and mat ch gr at i ng f i ni sh.

c. At t ach gr at i ngs t o st r uct ur al member s wi t h wel ded- on anchor s.

d. Sl i p r esi st ance r equi r ement s must exceed bot h wet and dr y a st at i c coef f i c i ent of f r i c t i on of 0. 5.

2. 3 GAS- TI GHT MANHOLE COVER AND FRAME

Pr ovi de a heavy dut y t ype made of duct i l e cast - i r on wi t h bol t ed l i d, machi ned bear i ng sur f aces and gasket gr ooves, cont i nuous neopr ene gasket , count er sunk br onze hex head cap scr ews, and conceal ed wat er t i ght pi ckhol es. Pr ovi de f r ame wi t h a 30 i nch di amet er c l ear openi ng. Maxi mum wei ght of f r ame and cover t oget her t o be 530 pounds.

2. 4 GUARD POSTS ( BOLLARDS/ PI PE GUARDS)

Provide [ _____] i nch gal vani zed and pr i me coat ed st andar d wei ght st eel pi pe as speci f i ed i n ASTM A53/ A53M. Anchor post s i n concr et e and f i l l sol i dl y wi t h concr et e wi t h mi ni mum compr essi ve st r engt h of 2500 psi .

2. 5 MI SCELLANEOUS PLATES AND SHAPES

Pr ovi de f or i t ems t hat do not f or m a par t of t he st r uct ur al st eel f r amewor k, such as l i nt el s, s i l l angl es, mi scel l aneous mount i ngs and f r ames. Pr ovi de l i nt el s f abr i cat ed f r om st r uct ur al st eel shapes over openi ngs i n masonr y wal l s and par t i t i ons as r equi r ed t o suppor t wal l l oads over openi ngs. Pr ovi de wi t h connect i ons and f ast ener s] . Const r uct t o have at l east 8 i nches bear i ng on masonr y at each end.

Provide angl es and pl at es, ASTM A36/ A36M, f or embedment as i ndi cat ed.

Gal vani ze embedded i t ems exposed t o t he el ement s accor di ng t o

ASTM A123/ A123M.

2. 6 SAFETY CHAI NS

Const r uct saf et y chai ns of gal vani zed st eel , st r ai ght l i nk t ype, 3/ 16 i nch di amet er , wi t h at l east t wel ve l i nks per f oot , and wi t h snap hooks on each end. Test saf et y chai n i n accor dance wi t h ASTM A467/ A467M, Cl ass CS.

Pr ovi de snap hooks of boat t ype. Pr ovi de gal vani zed 3/ 8 i nch bol t wi t h 3/ 4 i nch eye di amet er f or at t achment of chai n, anchor ed as i ndi cat ed.

Suppl y t wo chai ns, 4 i nches l onger t han t he anchor age spaci ng, f or each guar ded ar ea. Locat e saf et y chai n wher e i ndi cat ed. Mount t he t op chai n4 feet above t he f l oor and mount t he l ower chai n6 i nches above t he f l oor .

2. 7 SECURI TY GRI LLES

Fabr i cat e of channel f r ames wi t h not l ess t han t wo masonr y anchor s at each j amb and 1/ 2 i nch har dened st eel bar s spaced not over 4 i nches bot h ways and wel ded t o f r ame. Pr ovi de 18 by 16 mesh scr een and t wo l ayer s of 1/ 4 inch har dwar e cl ot h c l amped t o f r ame.

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2. 8 WHEEL GUARDS

Pr ovi de wheel guar ds of hol l ow, heavy- dut y t ype cast i r on conf or mi ng t o ASTM A48/ A48M, wi t h shaped, [ r ounded ] [ hal f r ound ] [ t hr ee quar t er s r ound ] t op, at l east 18 i nches hi gh, and desi gned t o pr ovi de a mi ni mum of 6 inches of pr ot ect i on.

2. 9 CHI MNEYS, VENTS, AND SMOKESTACKS

Desi gn and const r uct chi mneys and vent s i n accor dance wi t h NFPA 211. For m chi mney connect or s of not l i ght er t han 20 gauge gal vani zed st eel . Desi gn and const r uct st acks t o wi t hst and a wi nd vel oci t y of [ _____] mile/h i n accor dance wi t h ASCE 7. Const r uct unl i ned st acks of bl ack- st eel pl at es not l ess t han 3/ 16 i nch t hi ck conf or mi ng t o ASTM A36/ A36M. Wel d seams and j oi nt s, except pr ovi de an angl e f l ange f or connect i on t o t he boi l er , ot her equi pment , and st ack suppor t .

2. 10 CLEANOUT DOORS

Pr ovi de gal vani zed cl eanout door s wi t h f r ames, and unl ess ot her wi se i ndi cat ed si zed t o mat ch f l ues. Pr ovi de a cont i nuous f l ange and anchor s f or secur i ng f r ames i nt o masonr y. The door s shal l be smokepr oof , hi nged, and have f ast eni ng devi ces t o hol d t he door c l osed.

2. 11 DOWNSPOUT BOOTS

Pr ovi de cast i r on downspout boot s wi t h r ecei v i ng bel l s s i zed t o f i t downspouts.

2. 12 GUY CABLES

Guy cabl es shal l be pr est r et ched, gal vani zed wi r e r ope of t he s i zes i ndi cat ed. Wi r e r ope shal l conf or m t o ASTM A475, hi gh st r engt h gr ade wi t h Cl ass A coat i ng. Guys shal l have a f act or y at t ached cl evi s t op- end f i t t i ng; a f act or y at t ached open- br i dge st r and socket bot t om- end f i t t i ng;

and be compl et e wi t h oval eye, t hr eaded anchor r ods. Fi t t i ngs and accessor i es shal l be hot - di p gal vani zed.

2. 6 WI NDOW SUB- SI LL

Pr ovi de wi ndow sub- si l l of ext r uded al umi num al l oy wi t h s i ze and desi gn i ndi cat ed. Pr ovi de not l ess t han t wo anchor s per wi ndow sect i on f or secur i ng i nt o mor t ar j oi nt s of masonr y s i l l cour se. Pr ovi de si l l s f or banks of wi ndows wi t h st andar d mi l l f i ni sh wi t h a pr ot ect i ve coat i ng, pr i or t o shi pment , of t wo coat s of a c l ear , col or l ess, met hacr yl at e l acquer appl i ed t o al l sur f aces of t he s i l l s .

PART 3 EXECUTI ON

3. 1 GENERAL I NSTALLATI ON REQUI REMENTS

I nst al l i t ems at l ocat i ons i ndi cat ed, accor di ng t o manuf act ur er ' s i nst r uct i ons. Ver i f y al l measur ement s and t ake al l f i el d measur ement s necessar y bef or e f abr i cat i on. Exposed f ast eni ngs shal l be compat i bl e mat er i al s, shal l gener al l y mat ch i n col or and f i ni sh, and har moni ze wi t h t he mat er i al t o whi ch f ast eni ngs ar e appl i ed. I ncl ude mat er i al s and par t s necessar y t o compl et e each i t em, even t hough such wor k i s not def i ni t el y shown or speci f i ed. Poor mat chi ng of hol es f or f ast ener s shal l be cause

SECTI ON 05 50 13 Page 9 f or r ej ect i on. Conceal f ast eni ngs wher e pr act i cabl e. Thi ckness of met al and det ai l s of assembl y and suppor t s shal l pr ovi de st r engt h and st i f f ness. For m j oi nt s exposed t o t he weat her shal l be f or med t o excl ude wat er . I t ems l i s t ed bel ow r equi r e addi t i onal pr ocedur es.

3. 2 WORKMANSHIP

Pr ovi de mi scel l aneous met al wor k t hat i s wel l f or med t o shape and si ze, wi t h shar p l i nes and angl es and t r ue cur ves. Dr i l l i ng and punchi ng shal l pr oduce cl ean t r ue l i nes and sur f aces. Pr ovi de cont i nuous wel di ng al ong t he ent i r e ar ea of cont act except wher e t ack wel di ng i s per mi t t ed. Do not t ack wel d exposed connect i ons of wor k i n pl ace and gr ound smoot h. Pr ovi de a smoot h f i ni sh on exposed sur f aces of wor k i n pl ace and unl ess ot her wi se appr oved, f l ush exposed r i vet i ng. Mi l l j oi nt s wher e t i ght f i t s ar e r equi r ed. Cor ner j oi nt s shal l be coped or mi t er ed, wel l f or med, and i n t r ue al i gnment . Accur at el y set wor k t o est abl i shed l i nes and el evat i ons and secur el y f ast ened i n pl ace. I nst al l i n accor dance wi t h manuf act ur er ' s i nst al l at i on i nst r uct i ons and appr oved dr awi ngs, cut s, and det ai l s.

3. 3 ANCHORAGE, FASTENI NGS, AND CONNECTI ONS

Pr ovi de anchor age wher e necessar y f or f ast eni ng mi scel l aneous met al i t ems secur el y i n pl ace. I ncl ude f or anchor age not ot her wi se speci f i ed or i ndi cat ed sl ot t ed i nser t s, expansi on shi el ds, and powder - dr i ven f ast ener s, when appr oved f or concr et e; t oggl e bol t s and t hr ough bol t s f or masonr y;

machi ne and car r i age bol t s f or st eel ; t hr ough bol t s, l ag bol t s, and scr ews f or wood. Do not use wood pl ugs i n any mat er i al . Pr ovi de non- f er r ous at t achment s f or non- f er r ous met al . Make exposed f ast eni ngs of compat i bl e mat er i al s, gener al l y mat chi ng i n col or and f i ni sh, t o whi ch f ast eni ngs ar e appl i ed. Conceal f ast eni ngs wher e pr act i cabl e.

3. 4 BUI LT- I N WORK

For m f or anchor age met al wor k bui l t - i n wi t h concr et e or masonr y, or pr ovi de wi t h sui t abl e anchor i ng devi ces as i ndi cat ed or as r equi r ed.

Fur ni sh met al wor k i n ampl e t i me f or secur i ng i n pl ace as t he wor k progresses.

3. 5 WELDING

Per f or m wel di ng, wel di ng i nspect i on, and cor r ect i ve wel di ng, i n accor dance with AWS D1. 1/ D1. 1M. Use cont i nuous wel ds on al l exposed connect i ons.

Gr i nd v i s i bl e wel ds smoot h i n t he f i ni shed i nst al l at i on.

3. 6 FINISHES

3. 6. 1 Di ssi mi l ar Mat er i al s

Wher e di ssi mi l ar met al s ar e i n cont act , pr ot ect sur f aces wi t h a coat conf or mi ng t o MPI 79 t o pr event gal vani c or cor r osi ve act i on. Wher e al umi num i s i n cont act wi t h concr et e, pl ast er , mor t ar , masonr y, wood, or absor pt i ve mat er i al s subj ect t o wet t i ng, pr ot ect wi t h ASTM D1187/ D1187M, asphal t - base emul si on.

3. 7 ACCESS PANELS

I nst al l a r emovabl e access panel not l ess t han 12 by 12 i nches di r ect l y bel ow each val ve, f l ow i ndi cat or , damper , or ai r spl i t t er t hat i s l ocat ed above t he cei l i ng, ot her t han an acoust i cal cei l i ng, and t hat woul d

SECTI ON 05 50 13 Page 10 ot her wi se not be accessi bl e.

3. 8 CONTROL- JOI NT COVERS

Pr ovi de cover s over cont r ol - j oi nt s and f ast en on one si de onl y wi t h f ast ener s spaced t o gi ve posi t i ve cont act wi t h wal l sur f aces on bot h s i des of j oi nt t hr oughout t he ent i r e l engt h of cover .

3. 9 COVER PLATES AND FRAMES

I nst al l t he t ops of cover pl at es and f r ames f l ush wi t h f l oor .

3. 10 WHEEL GUARDS

Anchor guar ds t o concr et e or masonr y i n accor dance wi t h manuf act ur er ' s i nst r uct i ons. Fi l l hol l ow cor es sol i d wi t h concr et e wi t h mi ni mum compr essi ve st r engt h of 2500 psi .

3. 11 I NSTALLATI ON OF CHI MNEYS, VENTS, AND SMOKESTACKS

I nst al l chi mneys and vent s i n accor dance wi t h NFPA 211. Pr ovi de a c l eanout openi ng wi t h a t i ght - f i t t i ng, hi nged, cast - i r on door and f r ame at t he base of each smokest ack. Pr ovi de a t op band on st acks f or at t achment of pai nt er ' s r i ggi ng. Pr ovi de r oof housi ng, r ai n cap, downdr af t di ver t er , f i r e damper , and ot her accessor i es r equi r ed f or a compl et e i nst al l at i on.

Joi n sect i ons of pr ef abr i cat ed l i ned st acks wi t h aci d- r esi st i ng hi gh- t emper at ur e cement and st eel dr aw bands. Pr ovi de means t o pr event accumul at i on of wat er i n t he smokest ack.

3. 7 I NSTALLATI ON OF GUARD POSTS ( BOLLARDS/ PI PE GUARDS)

Set pi pe guar ds ver t i cal l y i n concr et e pi er s. Const r uct pi er s of , and t he hol l ow cor es of t he pi pe f i l l ed wi t h, concr et e havi ng a compr essi ve st r engt h of 3000 psi .

3. 8 I NSTALLATI ON OF DOWNSPOUT BOOTS

Secur e downspout s t o bui l di ng t hr ough i nt egr al l i ps wi t h appr opr i at e fasteners.

3. 8 RECESSED FLOOR FRAMES & MATS

Ver i f y f i el d measur ement s pr i or t o r el easi ng mat er i al s f or f abr i cat i on by t he manuf act ur er . Use a mat f r ame t o ensur e r ecess accur acy i n s i ze, shape and dept h. For m dr ai n pi t by bl ocki ng out concr et e when f r ames ar e i nst al l ed, damppr oof af t er concr et e has set . Assembl e f r ames onsi t e and i nst al l so t hat upper edge wi l l be l evel wi t h f i ni shed f l oor sur f ace.

Scr eeded t he concr et e base i nsi de t he mat r ecess f r ame ar ea usi ng t he edge pr ovi ded by t he f r ame as a gui de and anchor i nt o t he cement wi t h anchor pi ns a mi ni mum of 24 i nches on cent er s.

3. 9 MOUNTI NG OF SAFETY CHAI NS

Mount saf et y chai ns 3 f eet 6 i nches and 2 f eet above t he f l oor .

3. 10 I NSTALLATI ON OF WHEEL GUARDS

Fi l l wheel guar ds wi t h concr et e and anchor t o t he f l oor or t he bui l di ng

SECTI ON 05 50 13 Page 11 accor di ng t o t he manuf act ur er ' s r ecommendat i ons.

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SECTI ON 05 50 13 Page 12

2.1.8 Aluminum Alloy Products

3.6 LADDERS

1.4 DELIVERY, STORAGE, AND HANDLING

2.2.6 Factory Applied Surface Finishing for Doors and Frames

2.3 BASIS OF DESIGN

1.8 DELIVERY, STORAGE, AND HANDLING

2.2 COLOR

3.3 CLEAN-UP